Hi Daniel, all, On Thu, 2018-04-05 at 15:44 +0200, Daniel Vetter wrote: > On Thu, Apr 05, 2018 at 11:10:03AM +0000, Alexey Brodkin wrote: > > Hi Daniel, Lucas, > > > > On Thu, 2018-04-05 at 12:59 +0200, Daniel Vetter wrote: > > > On Thu, Apr 5, 2018 at 12:29 PM, Lucas Stach <l.stach at pengutronix.de> wrote: > > > > Am Donnerstag, den 05.04.2018, 11:32 +0200 schrieb Daniel Vetter: > > > > > On Thu, Apr 5, 2018 at 9:16 AM, Alexey Brodkin > > > > > <Alexey.Brodkin at synopsys.com> wrote: > > > > > > Hi Daniel, > > > > > > > > > > > > On Thu, 2018-04-05 at 08:18 +0200, Daniel Vetter wrote: > > > > > > > On Wed, Apr 4, 2018 at 10:06 PM, Alexey Brodkin > > > > > > > <Alexey.Brodkin at synopsys.com> wrote: > > > > > > > > Hello, > > > > > > > > > > > > > > > > We're trying to use DisplayLink USB2-to-HDMI adapter to render > > > > > > > > GPU-accelerated graphics. > > > > > > > > Hardware setup is as simple as a devboard + DisplayLink > > > > > > > > adapter. > > > > > > > > Devboards we use for this experiment are: > > > > > > > > * Wandboard Quad (based on IMX6 SoC with Vivante GPU) or > > > > > > > > * HSDK (based on Synopsys ARC HS38 SoC with Vivante GPU as > > > > > > > > well) > > > > > > > > > > > > > > > > I'm sure any other board with DRM supported GPU will work, > > > > > > > > those we just used > > > > > > > > as the very recent Linux kernels could be easily run on them > > > > > > > > both. > > > > > > > > > > > > > > > > Basically the problem is UDL needs to be explicitly notified > > > > > > > > about new data > > > > > > > > to be rendered on the screen compared to typical bit-streamers > > > > > > > > that infinitely > > > > > > > > scan a dedicated buffer in memory. > > > > > > > > > > > > > > > > In case of UDL there're just 2 ways for this notification: > > > > > > > > 1) DRM_IOCTL_MODE_PAGE_FLIP that calls drm_crtc_funcs- > > > > > > > > > page_flip() > > > > > > > > > > > > > > > > 2) DRM_IOCTL_MODE_DIRTYFB that calls drm_framebuffer_funcs- > > > > > > > > > dirty() > > > > > > > > > > > > > > > > But neither of IOCTLs happen when we run Xserver with xf86- > > > > > > > > video-armada driver > > > > > > > > (see https://urldefense.proofpoint.com/v2/url?u=http-3A__git.ar > > > > > > > > m.linux.org.uk_cgit_xf86-2Dvideo-2Darmada.git_log_-3Fh- > > > > > > > > 3Dunstable-2Ddevel&d=DwIBaQ&; > > > > > > > > c=DPL6_X_6JkXFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkh > > > > > > > > pk5R81I&m=oEAlP64L9vkuUs_k3kGwwwlN1WJbDMJbCo0uDhwKwwk&s=3ZHj- > > > > > > > > 6JXZBLSTWg_4KMnL0VNi7z8c0RxHzj2U5ywVIw&e=). > > > > > > > > > > > > > > > > Is it something missing in Xserver or in UDL driver? > > > > > > > > > > > > > > Use the -modesetting driverr for UDL, that one works correctly. > > > > > > > > > > > > If you're talking about "modesetting" driver of Xserver [1] then > > > > > > indeed > > > > > > picture is displayed on the screen. But there I guess won't be any > > > > > > 3D acceleration. > > > > > > > > > > > > At least that's what was suggested to me earlier here [2] by Lucas: > > > > > > ---------------------------->8--------------------------- > > > > > > For 3D acceleration to work under X you need the etnaviv specific > > > > > > DDX > > > > > > driver, which can be found here: > > > > > > > > > > > > https://urldefense.proofpoint.com/v2/url?u=http-3A__git.arm.linux.org.uk_cgit_xf86-2Dvideo-2Darmada.git_log_-3Fh-3Dunsta&d=DwIBaQ&c=DPL6_X > > > > > > _6Jk > > > > > > XFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkhpk5R81I&m=FleDFAQb2lBcZk5DMld7qpeSrB5Srsb4XPQecA5BPvU&s=YUzMQWe3lpC_pjGqRjb4MvRYh16ZBbe > > > > > > alqf > > > > > > rywlqjKE&e= > > > > > > ble-devel > > > > > > > > > > You definitely want to use -modesetting for UDL. And I thought with > > > > > glamour and the corresponding mesa work you should also get > > > > > accelaration. Insisting that you must use a driver-specific ddx is > > > > > broken, the world doesn't work like that anymore. > > > > > > > > On etnaviv the world definitely still works like this. The etnaviv DDX > > > > uses the dedicated 2D hardware of the Vivante GPUs, which is much > > > > faster and efficient than going through Glamor. > > > > Especially since almost all X accel operations are done on linear > > > > buffers, while the 3D GPU can only ever do tiled on both sampler and > > > > render, where some multi-pipe 3D cores can't even read the tiling they > > > > write out. So Glamor is an endless copy fest using the resolve engine > > > > on those. > > > > > > Ah right, I've forgotten about the vivante 2d cores again. > > > > > > > If using etnaviv with UDL is a use-case that need to be supported, one > > > > would need to port the UDL specifics from -modesetting to the -armada > > > > DDX. > > > > > > I don't think this makes sense. > > > > I'm not really sure it has something to do with Etnaviv in particular. > > Given UDL might be attached to any board with any GPU that would mean we'd > > need to add those "UDL specifics from -modesetting" in all xf86-video-drivers, > > right? > > X server supports multiple drivers (for different devices) in parallel. > You should be using armada for the imx-drm thing, and modesetting for udl. > And through the magic of prime it should even figure out that the device > > > > > > Lucas, can you pls clarify? Also, why does -armada bind against all > > > > > kms drivers, that's probaly too much. > > > > > > > > I think that's a local modification done by Alexey. The armada driver > > > > only binds to armada and imx-drm by default. > > > > Actually it all magically works without any modifications. > > I just start X with the following xorg.conf [1]: > > ------------------------>8-------------------------- > > Section "Device" > > Identifier "Driver0" > > Screen 0 > > Driver "armada" > > EndSection > > ------------------------>8-------------------------- Ok it was quite some time ago so I forgot about that completely. I really made one trivial change in xf86-video-armada: ------------------------>8-------------------------- --- a/src/armada_module.c +++ b/src/armada_module.c @@ -26,7 +26,7 @@ #define ARMADA_NAME "armada" #define ARMADA_DRIVER_NAME "armada" -#define DRM_MODULE_NAMES "armada-drm", "imx-drm" +#define DRM_MODULE_NAMES "armada-drm", "imx-drm", "udl" #define DRM_DEFAULT_BUS_ID NULL ------------------------>8-------------------------- Otherwise Xserver fails on start which is expected given "imx-drm" is intentionally removed. > > In fact in case of "kmscube" I had to trick Mesa like that: > > ------------------------>8-------------------------- > > export MESA_LOADER_DRIVER_OVERRIDE=imx-drm > > Yeah this shouldn't be necessary at all. > > > ------------------------>8-------------------------- > > And then UDL out works perfectly fine (that's because "kmscube" > > explicitly calls drmModePageFlip()). > > > > As for Xserver nothing special was done. > > > > [1] https://urldefense.proofpoint.com/v2/url?u=http-3A__git.arm.linux.org.uk_cgit_xf86-2Dvideo-2Darmada.git_tree_conf_xorg-2Dsample.conf-3Fh-3Duns > > table- > > 2Ddevel&d=DwIBAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkhpk5R81I&m=PGNfmLiN38EmKHzRyuZpX3Lsc9grXsJBx2tkJubl4t0&s=IUChhhP3eD > > PEiH3QdN6CxhfFaBCZIya0KEWDbCcDtGI&e= > > xorg.log is probably more interesting. No idea whether your Xorg.conf > snippet is needed for armada or not. Below is my full Xorg.log output with change above in place: ------------------------>8-------------------------- [ 8.941] X.Org X Server 1.19.6 Release Date: 2017-12-20 [ 8.941] X Protocol Version 11, Revision 0 [ 8.941] Build Operating System: Linux 3.10.0-514.el7.x86_64 x86_64 [ 8.941] Current Operating System: Linux buildroot 4.16.0 #3 SMP PREEMPT Thu Apr 5 21:28:25 MSK 2018 arc [ 8.941] Kernel command line: earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1 drm.debug=0x3f [ 8.942] Build Date: 05 April 2018 06:48:58PM [ 8.942] [ 8.942] Current version of pixman: 0.34.0 [ 8.942] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 8.942] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 8.942] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Jan 1 00:00:08 1970 [ 8.942] (==) Using config file: "/etc/X11/xorg.conf" [ 8.942] (==) No Layout section. Using the first Screen section. [ 8.942] (==) No screen section available. Using defaults. [ 8.942] (**) |-->Screen "Default Screen Section" (0) [ 8.942] (**) | |-->Monitor "<default monitor>" [ 8.944] (==) No device specified for screen "Default Screen Section". Using the first device section listed. [ 8.944] (**) | |-->Device "Driver0" [ 8.944] (==) No monitor specified for screen "Default Screen Section". Using a default monitor configuration. [ 8.944] (==) Not automatically adding devices [ 8.944] (==) Not automatically enabling devices [ 8.944] (==) Not automatically adding GPU devices [ 8.944] (==) Max clients allowed: 256, resource mask: 0x1fffff [ 8.944] (WW) The directory "/usr/share/fonts/X11//TTF/" does not exist. [ 8.944] Entry deleted from font path. [ 8.944] (WW) The directory "/usr/share/fonts/X11//OTF/" does not exist. [ 8.944] Entry deleted from font path. [ 8.944] (WW) The directory "/usr/share/fonts/X11//Type1/" does not exist. [ 8.944] Entry deleted from font path. [ 8.944] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/X11//100dpi/". [ 8.944] Entry deleted from font path. [ 8.945] (Run 'mkfontdir' on "/usr/share/fonts/X11//100dpi/"). [ 8.945] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/X11//75dpi/". [ 8.945] Entry deleted from font path. [ 8.945] (Run 'mkfontdir' on "/usr/share/fonts/X11//75dpi/"). [ 8.945] (==) FontPath set to: /usr/share/fonts/X11//misc/ [ 8.945] (==) ModulePath set to "/usr/lib/xorg/modules" [ 8.945] (==) |-->Input Device "<default pointer>" [ 8.945] (==) |-->Input Device "<default keyboard>" [ 8.945] (==) No Layout section. Using the default mouse configuration. [ 8.945] (==) No Layout section. Using the default keyboard configuration. [ 8.945] (II) Loader magic: 0x16c510 [ 8.945] (II) Module ABI versions: [ 8.945] X.Org ANSI C Emulation: 0.4 [ 8.945] X.Org Video Driver: 23.0 [ 8.945] X.Org XInput driver : 24.1 [ 8.945] X.Org Server Extension : 10.0 [ 8.945] (II) LoadModule: "armada" [ 8.946] (II) Loading /usr/lib/xorg/modules/drivers/armada_drv.so [ 8.947] (II) Module armada: vendor="X.Org Foundation" [ 8.947] compiled for 1.19.6, module version = 0.0.0 [ 8.947] Module class: X.Org Video Driver [ 8.947] ABI class: X.Org Video Driver, version 23.0 [ 8.947] (II) LoadModule: "mouse" [ 8.948] (WW) Warning, couldn't open module mouse [ 8.948] (II) UnloadModule: "mouse" [ 8.948] (II) Unloading mouse [ 8.948] (EE) Failed to load module "mouse" (module does not exist, 0) [ 8.948] (II) LoadModule: "kbd" [ 8.948] (WW) Warning, couldn't open module kbd [ 8.948] (II) UnloadModule: "kbd" [ 8.948] (II) Unloading kbd [ 8.948] (EE) Failed to load module "kbd" (module does not exist, 0) [ 8.948] (II) armada: Support for Marvell LCD Controller: 88AP510 [ 8.948] (II) armada: Support for Freescale IPU: i.MX6 [ 8.949] (--) using VT number 2 [ 8.949] (WW) Falling back to old probe method for armada [ 9.415] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support [ 9.438] (II) armada(0): hardware: udl [ 9.438] (II) armada(0): Creating default Display subsection in Screen section "Default Screen Section" for depth/fbbpp 24/32 [ 9.438] (==) armada(0): Depth 24, (--) framebuffer bpp 32 [ 9.438] (==) armada(0): RGB weight 888 [ 9.438] (==) armada(0): Default visual is TrueColor [ 9.438] (II) Loading sub module "etnadrm_gpu" [ 9.438] (II) LoadModule: "etnadrm_gpu" [ 9.439] (II) Loading /usr/lib/xorg/modules/drivers/etnadrm_gpu.so [ 9.439] (II) Module Etnaviv GPU driver (DRM): vendor="X.Org Foundation" [ 9.439] compiled for 1.19.6, module version = 0.0.0 [ 9.440] ABI class: X.Org ANSI C Emulation, version 0.4 [ 9.774] (II) armada(0): Output DVI1 has no monitor section [ 10.069] (II) armada(0): EDID for output DVI1 [ 10.069] (II) armada(0): Manufacturer: SAM Model: 1bb Serial#: 1212231993 [ 10.070] (II) armada(0): Year: 2005 Week: 50 [ 10.070] (II) armada(0): EDID Version: 1.3 [ 10.070] (II) armada(0): Digital Display Input [ 10.070] (II) armada(0): Max Image Size [cm]: horiz.: 38 vert.: 30 [ 10.070] (II) armada(0): Gamma: 2.20 [ 10.070] (II) armada(0): DPMS capabilities: Off [ 10.070] (II) armada(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 [ 10.070] (II) armada(0): First detailed timing is preferred mode [ 10.070] (II) armada(0): redX: 0.640 redY: 0.329 greenX: 0.300 greenY: 0.600 [ 10.070] (II) armada(0): blueX: 0.150 blueY: 0.060 whiteX: 0.313 whiteY: 0.329 [ 10.070] (II) armada(0): Supported established timings: [ 10.070] (II) armada(0): 720x400 at 70Hz [ 10.070] (II) armada(0): 640x480 at 60Hz [ 10.070] (II) armada(0): 640x480 at 67Hz [ 10.070] (II) armada(0): 640x480 at 72Hz [ 10.070] (II) armada(0): 640x480 at 75Hz [ 10.070] (II) armada(0): 800x600 at 56Hz [ 10.070] (II) armada(0): 800x600 at 60Hz [ 10.071] (II) armada(0): 800x600 at 72Hz [ 10.071] (II) armada(0): 800x600 at 75Hz [ 10.071] (II) armada(0): 832x624 at 75Hz [ 10.071] (II) armada(0): 1024x768 at 60Hz [ 10.071] (II) armada(0): 1024x768 at 70Hz [ 10.071] (II) armada(0): 1024x768 at 75Hz [ 10.071] (II) armada(0): 1280x1024 at 75Hz [ 10.071] (II) armada(0): 1152x864 at 75Hz [ 10.071] (II) armada(0): Manufacturer's mask: 0 [ 10.071] (II) armada(0): Supported standard timings: [ 10.071] (II) armada(0): #0: hsize: 1280 vsize 1024 refresh: 60 vid: 32897 [ 10.071] (II) armada(0): #1: hsize: 1280 vsize 960 refresh: 60 vid: 16513 [ 10.071] (II) armada(0): #2: hsize: 1152 vsize 864 refresh: 75 vid: 20337 [ 10.071] (II) armada(0): Supported detailed timing: [ 10.071] (II) armada(0): clock: 108.0 MHz Image Size: 376 x 301 mm [ 10.071] (II) armada(0): h_active: 1280 h_sync: 1328 h_sync_end 1440 h_blank_end 1688 h_border: 0 [ 10.071] (II) armada(0): v_active: 1024 v_sync: 1025 v_sync_end 1028 v_blanking: 1066 v_border: 0 [ 10.071] (II) armada(0): Ranges: V min: 56 V max: 75 Hz, H min: 30 H max: 81 kHz, PixClock max 145 MHz [ 10.071] (II) armada(0): Monitor name: SyncMaster [ 10.071] (II) armada(0): Serial No: HSGYC00767 [ 10.072] (II) armada(0): EDID (in hex): [ 10.072] (II) armada(0): 00ffffffffffff004c2dbb0139314148 [ 10.072] (II) armada(0): 320f010380261e782ade95a3544c9926 [ 10.072] (II) armada(0): 0f5054bfef8081808140714f01010101 [ 10.072] (II) armada(0): 010101010101302a009851002a403070 [ 10.072] (II) armada(0): 1300782d1100001e000000fd00384b1e [ 10.072] (II) armada(0): 510e000a202020202020000000fc0053 [ 10.072] (II) armada(0): 796e634d61737465720a2020000000ff [ 10.072] (II) armada(0): 00485347594330303736370a2020003c [ 10.072] (II) armada(0): Printing probed modes for output DVI1 [ 10.072] (II) armada(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz eP) [ 10.073] (II) armada(0): Modeline "1280x1024"x75.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e) [ 10.073] (II) armada(0): Modeline "1280x960"x60.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e) [ 10.073] (II) armada(0): Modeline "1152x864"x75.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e) [ 10.073] (II) armada(0): Modeline "1024x768"x75.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e) [ 10.073] (II) armada(0): Modeline "1024x768"x70.1 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz e) [ 10.073] (II) armada(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e) [ 10.073] (II) armada(0): Modeline "832x624"x74.6 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz e) [ 10.073] (II) armada(0): Modeline "800x600"x72.2 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync (48.1 kHz e) [ 10.073] (II) armada(0): Modeline "800x600"x75.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e) [ 10.074] (II) armada(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e) [ 10.074] (II) armada(0): Modeline "800x600"x56.3 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e) [ 10.074] (II) armada(0): Modeline "640x480"x75.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e) [ 10.074] (II) armada(0): Modeline "640x480"x72.8 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz e) [ 10.074] (II) armada(0): Modeline "640x480"x66.7 30.24 640 704 768 864 480 483 486 525 -hsync -vsync (35.0 kHz e) [ 10.074] (II) armada(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e) [ 10.074] (II) armada(0): Modeline "720x400"x70.1 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e) [ 10.074] (II) armada(0): Output DVI1 connected [ 10.074] (II) armada(0): Using exact sizes for initial modes [ 10.074] (II) armada(0): Output DVI1 using initial mode 1280x1024 +0+0 [ 10.074] (==) armada(0): Using gamma correction (1.0, 1.0, 1.0) [ 10.074] (==) armada(0): DPI set to (96, 96) [ 10.075] (II) Loading sub module "fb" [ 10.075] (II) LoadModule: "fb" [ 10.075] (II) Loading /usr/lib/xorg/modules/libfb.so [ 10.076] (II) Module fb: vendor="X.Org Foundation" [ 10.076] compiled for 1.19.6, module version = 1.0.0 [ 10.076] ABI class: X.Org ANSI C Emulation, version 0.4 [ 10.083] (==) Depth 24 pixmap format is 32 bpp [ 10.125] (==) armada(0): Backing store disabled [ 10.125] (==) armada(0): Silken mouse enabled [ 10.243] (--) armada(0): Vivante GC880 GPU revision 5124 (etnaviv) 2d PE2.0 [ 10.254] (II) armada(0): [DRI2] Setup complete [ 10.254] (II) armada(0): [DRI2] DRI driver: etnaviv [ 10.254] (II) armada(0): direct rendering: DRI2 enabled [ 10.255] (II) armada(0): RandR 1.2 enabled, ignore the following RandR disabled message. [ 10.306] (==) armada(0): DPMS enabled [ 10.309] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate YUV target [ 10.585] (--) RandR disabled [ 10.618] (II) armada(0): etnaviv: A8 target not supported [ 10.624] (II) armada(0): Setting screen physical size to 338 x 270 [ 10.843] (II) LoadModule: "mouse" [ 10.843] (WW) Warning, couldn't open module mouse [ 10.843] (II) UnloadModule: "mouse" [ 10.843] (II) Unloading mouse [ 10.843] (EE) Failed to load module "mouse" (module does not exist, 0) [ 10.843] (EE) No input driver matching `mouse' [ 10.843] (II) Falling back to input driver `libinput' [ 10.844] (II) LoadModule: "libinput" [ 10.844] (WW) Warning, couldn't open module libinput [ 10.844] (II) UnloadModule: "libinput" [ 10.844] (II) Unloading libinput [ 10.844] (EE) Failed to load module "libinput" (module does not exist, 0) [ 10.844] (II) LoadModule: "kbd" [ 10.845] (WW) Warning, couldn't open module kbd [ 10.845] (II) UnloadModule: "kbd" [ 10.845] (II) Unloading kbd [ 10.845] (EE) Failed to load module "kbd" (module does not exist, 0) [ 10.845] (EE) No input driver matching `kbd' [ 10.845] (II) Falling back to input driver `libinput' [ 10.845] (II) LoadModule: "libinput" [ 10.845] (WW) Warning, couldn't open module libinput [ 10.846] (II) UnloadModule: "libinput" [ 10.846] (II) Unloading libinput [ 10.846] (EE) Failed to load module "libinput" (module does not exist, 0) ------------------------>8-------------------------- -Alexey
